package com.atguigu.gulimall.third.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.exception.RRException;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;

/**
 * 集中处理所有异常
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.third.controller")
public class GulimallExceptionControllerAdvice {
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleException(MethodArgumentNotValidException e) {
//        log.error("数据校验异常{}，异常类型{}", e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        HashMap<String, String> map = new HashMap<>();
        bindingResult.getFieldErrors().forEach((fieldError) -> {
            map.put(fieldError.getField(), fieldError.getDefaultMessage());
        });

        return R.error(
                BizCodeEnum.VAILD_EXCEPTION.getCode(),
                BizCodeEnum.VAILD_EXCEPTION.getMsg()
        ).put("data", map);
    }

    @ExceptionHandler(value = RRException.class)
    public R handleException(RRException throwable) {
        return R.error(
                throwable.getCode(),
                throwable.getMsg()
        );
    }
}

